/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.evaluation.value;

/**
 * This LongValue represents a long value that is identified by a unique ID.
 *
 * @author Eric Lafortune
 */
final class IdentifiedLongValue extends SpecificLongValue {
    private final ValueFactory valuefactory;
    private final int id;

    /**
     * Creates a new long value with the given ID.
     */
    public IdentifiedLongValue(ValueFactory valuefactory, int id) {
        this.valuefactory = valuefactory;
        this.id = id;
    }

    // Implementations for Object.

    public boolean equals(Object object) {
        return this == object
            || super.equals(object) && this.valuefactory.equals(((IdentifiedLongValue)object).valuefactory)
                && this.id == ((IdentifiedLongValue)object).id;
    }

    public int hashCode() {
        return super.hashCode() ^ valuefactory.hashCode() ^ id;
    }

    public String toString() {
        return "l" + id;
    }
}